wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Lesson 5.8 Day 2 Extra Credit(Practice)

Total questions: 20

Worksheet time: 29mins

Name
Class
Date
1.
What is another way to say "where a function crosses the x-axis"?
a)
x-intercept
b)
zero
c)
root
d)
all of these.
2.

Find the zeros

y = 3(x -1)(-x)2(x + 2)

a)

1, 0, -2, 4

b)

-2

c)

1, 0, -2

d)

0

3.

Find the zeros

y = -3(5x - 4)2(x - 5)(x)

a)

5, 4, 4/5, 0

b)

5, 4/5, 0

c)

0, 5, 4, 4/5, -2

d)

5, 4, 4/5, -2, 0, 1

4.

Make a rough graph of the Polynomial

y = (x -3)(x + 3)(x + 2)

a)
b)
c)
d)
5.

Make a rough graph of the Polynomial

y = (x -3)2(x -1)2

a)
b)
c)
d)
6.

Find the x-intercepts

y = 4(4x -1)(x)2(2x + 1)(x)

a)

(2,0), ( -1,0), ( -4,0)

b)

(0,0), ( -1/2 ,0), ( 1/4 ,0)

c)

(0,0), (0, -1/2 ), (0, 1/4 )

d)

(0,2), (0, -1), (0, -4)

7.

f(x) = 2x3 - 3x2 + 4x -10

What is the degree of f(x)?

a)

3

b)

2

c)

1

d)

0

8.

f(x) = 2x3 - 3x2 + 4x -10

State the maximum number of turns the graph of f(x) could make.

a)

3

b)

2

c)

1

d)

0

9.

f(x) = 2x3 - 3x2 + 4x -10

State the maximum and minimum number of zeros for f(x).

a)

Max: 3 Min: 0

b)

Max 2 Min: 0

c)

Max: 1 Min: 1

d)

Max: 3 Min: 1

10.

f(x) = -3x4 + x3 - 2x2 + x - 1

State the maximum number of turns the graph of f(x) could make.

a)

3

b)

4

c)

2

d)

1

11.

f(x) = -3x4 + x3 - 2x2 + x - 1

What is the y-intercept of f(x)?

a)

(-1, 0)

b)

(0, -1)

c)

(-3, 0)

d)

(0, -3)

12.

f(x) = x3 - x2 - x + 1

Find the zeros of f(x).

a)

{-1, 0, 1}

b)

{-1, 1}

c)

{1}

d)

{-1}

13.

What is the leading coefficient of the function:

f(x) = 6x2 + 4 - 3x4 + 5x - 9x3

a)

6

b)

3

c)

-3

d)

4

14.

If f(x) = 4x3 + 5x2 - 3, find f(-2).

a)

-415

b)

-15

c)

-55

d)

-615

15.
The polynomial is...
a)
Odd degree, positive leading coefficient.
b)
Odd degree, negative leading coefficient.
c)
Even degree, positive leading coefficient.
d)
Even degree, negative leading coefficient.
16.
a)
Even
b)
Odd
c)
Neither
d)
Please explain this to me.
17.
a)
Even
b)
Odd
c)
Neither
d)
Please explain this to me.
18.
What is the degree of the polynomial function
P(x)=3x4-7x2-2x7-x+4?
a)
4
b)
7
c)
2
d)
1
19.

Simplify: (x - 5)2

a)

x2 - 25

b)

x2 + 25

c)

x2 - 10x + 25

d)

x2 - 5x - 25

20.

Write an equation of a polynomial with the zeros listed:

Zeroes: -7, 1, -5, -2

a)

(5x -1)(2x -1)(7x -1)(x -1)

b)

(5x + 1)(2x + 1)(7x + 1)(x + 1)

c)

(x + 5)(x + 2)(x + 7)(x -1)

d)

(x -5)(x -2)(x -7)(x + 1)